Ramanathan, C; Narayanan, S P and Idrus, A B (2012) Construction delays causing risks on time and cost: a critical review. Construction Economics and Building, 12(1), pp. 37-57. ISSN 2204-9029
Abstract
There is an increase in the number of construction projects experiencing extensive delays leading to exceeding the initial time and cost budget. This paper reviews 41 studies around the world which has surveyed the delay factors and classified them into Groups. The main purpose of this paper is to review research which has categorized the causes responsible for time delays and cost overruns in projects. The intention was to see whether these causes are valid for projects being executed in Sabah East Malaysia allowing a mitigation plan to be prepared. The collected list has 113 causes for delays which were categorized into 18 different groups. Most of the research has analysed the responses from Questionnaire surveys. The collected data are used to rank the problem factors. The data are further used to investigate and analyse the reported "Importance Index, Frequency Index, Severity Index, Relative Importance Index, Relative Importance Weight, Weighted Average, Mean, Standard Deviation and Variance". The collective comparison has revealed that the ranking given by all the researchers is not the same. Further each and every study has different rank ratings from different group. This review paper attempts to provide an updated compilation of the earlier studies on ranking of the delay causers, which are never similar and constant for universal projects. From the critical review, it is concluded that this type of research requires a different method or approach to generate meaningful answers and that there is a strong case against opinion surveys.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | construction delays; cost risk; project management; time risk |
| Index terms: | questionnaire, mitigation, construction project, relative importance, Malaysia, construction delay, variance, time delay, project management, survey, deviation, cost overrun, severity index, relative importance index |
| Subjects: | environmental hazards, financial and cost management, measurement and scaling, project controls, project management theory and practice, financial risk, production management, Geography, data collection methods, risk assessment |
| Topics: | Time Control, Research Practice, Geographical Context, Project Management, Cost Management, Sustainability, Risk Management |
| Descriptive scope: | 4 PCEA |
N.B. Descriptive scope is a count of how many of the five facets of empirical research are indicated by the words used in title, abstract and keywords. It is not intended as a judgement on the research; merely a count of the kind of word we would expect to indicate Phenomenon, Concepts, Theoretical framing, Empirical techniques, Analytical techniques. If all five are present, then a code of “5 PCTEA” will indicate this. If you feel the coding for this record is questionable, we welcome discussion around the terms we matched or the way we categorized them. The facet you would expect may not be coded, or a facet may be coded inappropriately. This can also bear on a larger question, of which facets should be treated as defining in construction management research. Please get in touch, and we will look at it. More details here